6. (i) Solve the congruence relation 3x + 5 = 2(3 – 5x) (mod 35) for r. - (ii) If a = b (mod n) and c =d (mod n), show that ac = bd (mod n). (iii) Z39, the set of all the reduced residue classes modulo 39.

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Chapter2: Second-order Linear Odes
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6. (i) Solve the congruence relation 3x + 5 = 2(3 – 5x) (mod 35) for r.
-
(ii) If a = b (mod n) and c =d (mod n), show that ac = bd (mod n).
(iii) Z39, the set of all the reduced residue classes modulo 39.
Transcribed Image Text:6. (i) Solve the congruence relation 3x + 5 = 2(3 – 5x) (mod 35) for r. - (ii) If a = b (mod n) and c =d (mod n), show that ac = bd (mod n). (iii) Z39, the set of all the reduced residue classes modulo 39.
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